@article{10_2298_FIL2316333W,
     author = {Jiabao Wu and Kezheng Zuo and Jiale Gao and Lu Zheng},
     title = {Characterizations and properties of the matrices a such that aa(\ensuremath{-}1)(l) \ensuremath{-} a(\ensuremath{-}1)(l) a are nonsingular},
     journal = {Filomat},
     pages = {5333 },
     year = {2023},
     volume = {37},
     number = {16},
     doi = {10.2298/FIL2316333W},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2316333W/}
}